./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:47:58,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:47:58,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:47:58,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:47:58,965 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:47:58,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:47:58,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:47:58,990 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:47:58,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:47:58,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:47:58,991 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:47:58,991 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:47:58,992 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:47:58,992 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:47:58,992 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:47:58,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:47:58,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:47:58,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:47:58,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:47:58,993 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:47:58,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:47:58,993 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:47:58,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:47:58,993 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:47:58,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:47:58,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:47:58,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:47:58,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:47:58,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:47:58,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:47:58,994 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:47:58,995 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:47:58,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:47:58,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2024-11-25 04:47:59,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:47:59,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:47:59,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:47:59,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:47:59,359 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:47:59,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-25 04:47:59,969 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/1f44bf2f0/57ec3444b71f4555aea9be356501611d/FLAG951a36e7b [2024-11-25 04:48:04,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:48:04,761 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-25 04:48:04,769 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/1f44bf2f0/57ec3444b71f4555aea9be356501611d/FLAG951a36e7b [2024-11-25 04:48:04,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/1f44bf2f0/57ec3444b71f4555aea9be356501611d [2024-11-25 04:48:04,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:48:04,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:48:04,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:04,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:48:04,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:48:04,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:04" (1/1) ... [2024-11-25 04:48:04,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bfbd8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:04, skipping insertion in model container [2024-11-25 04:48:04,816 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:04" (1/1) ... [2024-11-25 04:48:04,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:48:05,021 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-25 04:48:05,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:05,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:48:05,103 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-25 04:48:05,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:05,136 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:48:05,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05 WrapperNode [2024-11-25 04:48:05,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:05,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:05,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:48:05,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:48:05,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,175 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-25 04:48:05,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:05,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:48:05,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:48:05,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:48:05,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,187 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,187 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,192 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,193 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:48:05,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:48:05,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:48:05,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:48:05,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:05,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:48:05,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:48:05,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:48:05,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:48:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:48:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:48:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:48:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:48:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:48:05,369 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:48:05,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:48:05,748 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-25 04:48:05,748 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:48:05,964 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:48:05,965 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:48:05,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:05 BoogieIcfgContainer [2024-11-25 04:48:05,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:48:05,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:48:05,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:48:05,977 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:48:05,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:05" (1/1) ... [2024-11-25 04:48:05,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:48:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 04:48:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 04:48:06,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:06,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:06,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:06,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:48:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:06,733 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:48:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:06,853 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:48:06,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:48:06 ImpRootNode [2024-11-25 04:48:06,926 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:48:06,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:48:06,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:48:06,928 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:48:06,930 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:05" (3/4) ... [2024-11-25 04:48:06,932 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:48:06,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:48:06,934 INFO L158 Benchmark]: Toolchain (without parser) took 2135.62ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 62.3MB in the end (delta: 31.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-25 04:48:06,934 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:06,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.60ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:48:06,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.30ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:06,937 INFO L158 Benchmark]: Boogie Preprocessor took 25.36ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.6MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:48:06,937 INFO L158 Benchmark]: RCFGBuilder took 762.93ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 49.8MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:48:06,938 INFO L158 Benchmark]: CodeCheck took 960.70ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 62.4MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:06,938 INFO L158 Benchmark]: Witness Printer took 5.93ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:06,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L86] int k_loop; [L87] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L87] COND TRUE k_loop < 1 [L88] FCALL updateLastVariables() [L89] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2147483648] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2147483648] [L89] RET updateVariables() [L90] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 [L43] var_1_16 = var_1_19 [L44] EXPR var_1_16 | var_1_19 [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 [L90] RET step() [L91] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=-2147483648, var_1_1=-127, var_1_20=-2147483648] [L19] reach_error() VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=-255, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=-2147483648, var_1_1=-127, var_1_20=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.60ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 81.3MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.30ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.36ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.6MB in the end (delta: 1.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 762.93ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 49.8MB in the end (delta: 28.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 960.70ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 62.4MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.93ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:48:06,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:48:09,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:48:09,775 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:48:09,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:48:09,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:48:09,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:48:09,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:48:09,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:48:09,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:48:09,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:48:09,848 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:48:09,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:48:09,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:48:09,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:48:09,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:48:09,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:48:09,849 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:48:09,849 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:48:09,849 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:48:09,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:48:09,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:48:09,849 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:48:09,854 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:48:09,855 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:48:09,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:09,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:48:09,855 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:48:09,856 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:09,856 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:48:09,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2024-11-25 04:48:10,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:48:10,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:48:10,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:48:10,170 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:48:10,170 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:48:10,172 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-25 04:48:13,146 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/7ed7652a9/b8af4c7a51be41eaa8e4347326885573/FLAG19707a472 [2024-11-25 04:48:13,398 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:48:13,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-25 04:48:13,420 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/7ed7652a9/b8af4c7a51be41eaa8e4347326885573/FLAG19707a472 [2024-11-25 04:48:13,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/data/7ed7652a9/b8af4c7a51be41eaa8e4347326885573 [2024-11-25 04:48:13,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:48:13,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:48:13,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:13,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:48:13,457 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:48:13,458 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9acd145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13, skipping insertion in model container [2024-11-25 04:48:13,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:48:13,663 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-25 04:48:13,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:13,751 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:48:13,765 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-25 04:48:13,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:13,823 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:48:13,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13 WrapperNode [2024-11-25 04:48:13,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:13,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:13,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:48:13,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:48:13,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,878 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-11-25 04:48:13,881 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:13,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:48:13,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:48:13,883 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:48:13,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:48:13,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:48:13,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:48:13,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:48:13,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:13" (1/1) ... [2024-11-25 04:48:13,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:13,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:48:13,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:48:13,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:48:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:48:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:48:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:48:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:48:14,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:48:14,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:48:14,109 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:48:14,111 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:48:14,608 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 04:48:14,608 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:48:14,758 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:48:14,762 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 04:48:14,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:14 BoogieIcfgContainer [2024-11-25 04:48:14,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:48:14,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:48:14,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:48:14,778 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:48:14,779 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:14" (1/1) ... [2024-11-25 04:48:14,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:48:14,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:14,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 04:48:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 04:48:14,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:14,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:14,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:14,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:14,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:48:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:15,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:15,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:48:15,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:19,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:20,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:20,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2024-11-25 04:48:20,773 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2024-11-25 04:48:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:20,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:20,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:20,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:20,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:20,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 04:48:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:21,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:21,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:48:21,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:23,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 04:48:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:25,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2024-11-25 04:48:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2024-11-25 04:48:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:25,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:25,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:25,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:25,348 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:25,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 04:48:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:25,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:25,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:48:25,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:27,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 04:48:27,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:27,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2024-11-25 04:48:27,803 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2024-11-25 04:48:27,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:27,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:27,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:27,809 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:27,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 04:48:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:28,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:48:28,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:30,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 04:48:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2024-11-25 04:48:30,528 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2024-11-25 04:48:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:30,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:30,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:30,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:30,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:30,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 04:48:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:30,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:30,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:48:30,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:33,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:33,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:33,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 55 states and 129 transitions. [2024-11-25 04:48:33,792 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 129 transitions. [2024-11-25 04:48:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:33,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:33,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:33,797 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:33,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 04:48:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:34,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:34,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:48:34,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:35,986 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:48:35,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 04:48:37,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:37,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2024-11-25 04:48:37,889 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2024-11-25 04:48:37,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:37,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:37,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:37,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:37,894 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:37,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 04:48:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:38,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:38,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:48:38,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:40,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 04:48:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:40,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2024-11-25 04:48:40,361 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2024-11-25 04:48:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:40,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:40,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:40,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:40,365 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:40,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 04:48:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:40,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:40,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:48:40,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:42,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:42,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:42,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2024-11-25 04:48:42,245 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2024-11-25 04:48:42,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:42,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:42,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:42,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:42,253 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:42,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 04:48:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:42,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:42,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:48:42,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:44,430 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:44,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2024-11-25 04:48:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2024-11-25 04:48:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:44,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:44,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:44,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:44,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:44,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 04:48:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:44,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:44,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:48:44,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:46,726 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:46,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:46,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:46,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2024-11-25 04:48:46,764 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2024-11-25 04:48:46,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:46,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:46,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:46,770 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:46,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 04:48:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:47,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:47,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:48:47,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:48,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:48,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:48,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2024-11-25 04:48:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2024-11-25 04:48:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:48,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:48,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:48,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:48,989 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:48,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 04:48:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:49,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:49,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:48:49,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:51,151 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:51,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:51,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2024-11-25 04:48:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2024-11-25 04:48:51,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:51,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:51,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:51,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:51,188 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:51,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 04:48:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:51,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:51,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:48:51,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:48:53,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 71 states and 156 transitions. [2024-11-25 04:48:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 156 transitions. [2024-11-25 04:48:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:55,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:55,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:55,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:55,448 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:55,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 04:48:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:55,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:55,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:48:55,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:48:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:48:57,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 04:48:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 71 states and 156 transitions. [2024-11-25 04:48:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 156 transitions. [2024-11-25 04:48:57,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:48:57,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:57,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:57,788 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:57,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 04:48:58,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:58,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:48:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:48:58,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:48:58,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:00,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 04:49:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 73 states and 174 transitions. [2024-11-25 04:49:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 174 transitions. [2024-11-25 04:49:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:01,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:01,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:01,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:01,985 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:01,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 04:49:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:02,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:02,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:02,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:03,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 04:49:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 73 states and 174 transitions. [2024-11-25 04:49:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 174 transitions. [2024-11-25 04:49:04,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:04,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:04,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:04,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:04,284 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:04,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 04:49:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:04,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:04,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:49:04,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:49:07,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 04:49:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:09,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:09,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:09,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:09,093 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:09,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 04:49:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:09,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:09,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:09,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:11,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-25 04:49:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:11,634 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:11,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:11,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:11,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:11,639 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:11,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 04:49:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:11,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:11,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:11,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:13,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 04:49:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:13,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:13,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:13,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:13,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:13,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:13,657 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:13,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 04:49:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:13,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:13,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:13,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:15,765 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:15,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 04:49:16,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:16,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:16,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:16,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:16,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:16,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:16,084 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:16,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 04:49:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:16,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:16,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:16,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:18,273 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:18,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 04:49:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:18,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:18,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:18,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:18,663 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:18,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 04:49:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:18,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:18,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:18,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:20,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 04:49:20,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:20,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:20,466 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:20,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:20,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:20,471 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:20,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 04:49:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:20,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:20,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:20,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:22,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 04:49:22,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:22,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:22,679 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:22,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:22,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:22,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:22,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:22,683 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:22,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 04:49:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:22,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:23,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:23,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:24,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 04:49:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 75 states and 191 transitions. [2024-11-25 04:49:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2024-11-25 04:49:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:24,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:24,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:24,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:24,634 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 04:49:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:24,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:24,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:24,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:26,650 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:26,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 04:49:29,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 77 states and 203 transitions. [2024-11-25 04:49:29,017 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 203 transitions. [2024-11-25 04:49:29,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:29,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:29,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:29,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:29,020 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:29,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 04:49:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:29,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:29,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:29,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:31,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 04:49:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 77 states and 203 transitions. [2024-11-25 04:49:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 203 transitions. [2024-11-25 04:49:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:31,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:31,436 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:31,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 04:49:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:31,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:31,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:31,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:33,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-25 04:49:33,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 77 states and 203 transitions. [2024-11-25 04:49:33,473 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 203 transitions. [2024-11-25 04:49:33,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:33,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:33,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:33,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:33,475 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:33,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 04:49:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:33,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:33,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:33,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:35,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-25 04:49:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 77 states and 203 transitions. [2024-11-25 04:49:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 203 transitions. [2024-11-25 04:49:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:35,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:35,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:35,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:35,974 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:35,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 04:49:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:36,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:36,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:49:36,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:49:37,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-25 04:49:38,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:38,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:38,788 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:38,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:38,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:38,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:38,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:38,790 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:38,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 04:49:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:39,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:39,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:39,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:40,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 04:49:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:41,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:41,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:41,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:41,078 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:41,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 04:49:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:41,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:41,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:41,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:43,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 04:49:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:43,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:43,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:43,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:43,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:43,181 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:43,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 04:49:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:43,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:43,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:43,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:45,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 04:49:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:45,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:45,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:45,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:45,633 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:45,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 04:49:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:46,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:46,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:46,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:47,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:47,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 04:49:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:47,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:47,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:47,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:47,478 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:47,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 04:49:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:47,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:47,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:47,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:49,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 04:49:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:49,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:49,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:49,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:49,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:49,754 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:49,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 04:49:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:50,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:50,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:50,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:51,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:51,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-25 04:49:51,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:51,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:51,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:51,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:51,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:51,907 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:51,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 04:49:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:52,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:52,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:52,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:53,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 04:49:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:53,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:53,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:53,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:53,773 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:53,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 04:49:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:54,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:54,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:54,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:55,739 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:55,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 04:49:55,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:55,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:55,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:55,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:55,781 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:55,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 04:49:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:56,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:56,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:49:56,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:57,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 04:49:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:57,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:57,615 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:57,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:57,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:57,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:57,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:57,618 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:57,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 04:49:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:57,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:57,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:57,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:49:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:49:59,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 04:49:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:49:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:49:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:49:59,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:49:59,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:49:59,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:49:59,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:49:59,670 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:49:59,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 04:49:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:59,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:49:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:49:59,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:49:59,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:01,707 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:01,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 04:50:01,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:01,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:01,783 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:01,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:01,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:01,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:01,785 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:01,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 04:50:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:02,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:02,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:50:02,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:03,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 04:50:03,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:03,771 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:03,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:03,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:03,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:03,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:03,776 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:03,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 04:50:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:04,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:04,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:04,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:06,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:06,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:06,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:06,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:06,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:06,237 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 04:50:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:06,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:06,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:06,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:08,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-25 04:50:08,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:08,575 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:08,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:08,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:08,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:08,577 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:08,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 04:50:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:08,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:08,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:08,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:10,796 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:10,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 04:50:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:10,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:10,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:10,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:10,868 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:10,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 04:50:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:11,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:11,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:11,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:12,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 04:50:13,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:13,137 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:13,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:13,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:13,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:13,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:13,141 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:13,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 04:50:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:13,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:13,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:13,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:13,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:15,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 04:50:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:15,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:15,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:15,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:15,338 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:15,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 04:50:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:15,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:15,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:15,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:17,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 04:50:17,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:17,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:17,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:17,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:17,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:17,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:17,587 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:17,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 04:50:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:17,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:17,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:50:17,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:21,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:50:21,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:21,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:21,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:21,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:21,271 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:21,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 04:50:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:21,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:21,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:21,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:23,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 04:50:23,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:23,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:23,442 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:23,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:23,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:23,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:23,446 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:23,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 04:50:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:23,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:23,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:50:23,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:25,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 04:50:25,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:25,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:25,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:25,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:25,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:25,304 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:25,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 04:50:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:25,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:25,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:25,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:27,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 04:50:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:27,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:27,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:27,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:27,715 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:27,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 04:50:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:28,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:28,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:28,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:29,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 04:50:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:30,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:30,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:30,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:30,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:30,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:30,223 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:30,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 04:50:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:30,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:30,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:30,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:32,260 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:32,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 04:50:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:32,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:32,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:32,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:32,571 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:32,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 04:50:32,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:32,836 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:32,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:32,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:34,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 04:50:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:34,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:34,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:34,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:34,813 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:34,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 04:50:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:35,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:35,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:35,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:37,226 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:37,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:37,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:37,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:37,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:37,540 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:37,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 04:50:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:37,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:37,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:50:37,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:39,447 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:39,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 04:50:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:39,476 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:39,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:39,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:39,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:39,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:39,482 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:39,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 04:50:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:39,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:39,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:50:39,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:41,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:41,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:41,396 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:41,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:41,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:41,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:41,400 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:41,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 04:50:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:41,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:41,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:41,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:43,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:43,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:43,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:43,868 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:43,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:43,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:43,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:43,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:43,872 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:43,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 04:50:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:44,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:44,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:50:44,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:46,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:46,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-25 04:50:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:46,057 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:46,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:46,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:46,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:46,059 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:46,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 04:50:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:46,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:46,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:50:46,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:48,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:48,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-25 04:50:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:48,338 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:48,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:48,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:48,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:48,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:48,341 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:48,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 04:50:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:48,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:48,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:48,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:50,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:50,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:50,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:50,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:50,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:50,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:50,715 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:50,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 04:50:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:51,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:51,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:51,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:54,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:54,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:54,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:54,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:54,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:54,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:54,333 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:54,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 04:50:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:54,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:54,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:50:54,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:50:57,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-25 04:50:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:57,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:57,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:57,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:57,250 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:57,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 04:50:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:57,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:50:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:50:57,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:50:57,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:50:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:50:59,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-25 04:50:59,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:50:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 201 transitions. [2024-11-25 04:50:59,895 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 201 transitions. [2024-11-25 04:50:59,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:50:59,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:50:59,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:50:59,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:50:59,900 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:50:59,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 04:51:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:00,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:00,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:51:00,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:01,620 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:51:01,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:02,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:02,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:02,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:02,292 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:02,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 04:51:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:02,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:02,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:02,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:04,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-25 04:51:04,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:04,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:04,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:04,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:04,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:04,118 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:04,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 04:51:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:04,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:04,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:04,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:05,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 04:51:05,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:05,975 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:05,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:05,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:05,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:05,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:05,978 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:05,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 04:51:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:06,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:06,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:06,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:07,949 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:07,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:08,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:08,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:08,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:08,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:08,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:08,253 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:08,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 04:51:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:08,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:08,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:08,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:10,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:10,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:10,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:10,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:10,709 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:10,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 04:51:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:10,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:11,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:11,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:14,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:15,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:15,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:15,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:15,297 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:15,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 04:51:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:15,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:15,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:15,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:17,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-25 04:51:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:17,735 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:17,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:17,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:17,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:17,740 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:17,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 04:51:18,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:18,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:18,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:18,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:19,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:19,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:19,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:19,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:19,580 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:19,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 04:51:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:19,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:19,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:19,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:21,580 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:21,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-25 04:51:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:21,871 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:21,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:21,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:21,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:21,874 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:21,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 04:51:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:22,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:22,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:22,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:23,924 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:23,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:24,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:24,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:24,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:24,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:24,292 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:24,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 04:51:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:24,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:24,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:51:24,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:51:26,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:26,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:26,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:26,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:26,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:26,389 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:26,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 04:51:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:26,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:26,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:26,698 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:28,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:28,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:28,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:28,417 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:28,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:28,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:28,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:28,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:28,419 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:28,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 04:51:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:28,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:28,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:51:28,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:51:30,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-25 04:51:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:30,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:30,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:30,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:30,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:30,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:30,644 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:30,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 04:51:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:30,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:30,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:30,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:32,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-25 04:51:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:33,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:33,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:33,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:33,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:33,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:33,087 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:33,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 04:51:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:33,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:33,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:33,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:34,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-25 04:51:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:34,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:34,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:34,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:34,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:34,892 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:34,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 04:51:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:35,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:35,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:35,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:36,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-25 04:51:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:37,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:37,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:37,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:37,110 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:37,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 04:51:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:37,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:37,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:37,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:37,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:38,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:38,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:38,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:38,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:38,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:38,929 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:38,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 04:51:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:39,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:39,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:39,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:40,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:40,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:40,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:40,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:40,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:40,800 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:40,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 04:51:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:41,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:41,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:41,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:43,806 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:43,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:43,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:43,834 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:43,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:43,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:43,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:43,836 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:43,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 04:51:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:44,109 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:44,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:44,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:45,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-25 04:51:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:45,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:45,931 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:45,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:45,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:45,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:45,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:45,933 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:45,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 04:51:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:46,200 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:46,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:46,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:48,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:48,812 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:48,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:48,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:48,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:48,814 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:48,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 04:51:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:49,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:49,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:49,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:50,705 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:50,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-25 04:51:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:51,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:51,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:51,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:51,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:51,029 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:51,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 04:51:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:51,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:51,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:51:51,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:52,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:52,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:52,935 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:52,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:52,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:52,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:52,939 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:52,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-25 04:51:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:53,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:53,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:51:53,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:51:55,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:55,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:55,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:55,237 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:55,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:55,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:55,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:55,239 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:55,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-25 04:51:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:55,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:55,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:55,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:57,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:57,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-25 04:51:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:57,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:57,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:57,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:57,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:57,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:57,460 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:57,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-25 04:51:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:57,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:51:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:57,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:51:57,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:51:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:51:59,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-25 04:51:59,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:51:59,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:51:59,691 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:51:59,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:51:59,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:51:59,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:51:59,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:51:59,693 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:51:59,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-25 04:51:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:51:59,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:00,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:52:00,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:52:01,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:01,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:01,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:01,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:01,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:01,693 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:01,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-25 04:52:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:01,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:02,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:02,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:05,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-25 04:52:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:05,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:05,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:05,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:05,351 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:05,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-25 04:52:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:05,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:05,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:05,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:07,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-25 04:52:07,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:07,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:07,762 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:07,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:07,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:07,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:07,764 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:07,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-25 04:52:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:08,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:08,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:08,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:10,428 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:10,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:10,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:10,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:10,458 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:10,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:10,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:10,460 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:10,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-25 04:52:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:10,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:10,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:10,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:12,533 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:12,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-25 04:52:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:12,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:12,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:12,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:12,574 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:12,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-25 04:52:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:12,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:12,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:12,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:14,706 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:14,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-25 04:52:14,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:14,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:14,733 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:14,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:14,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:14,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:14,735 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:14,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-25 04:52:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:15,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:15,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:15,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:16,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:16,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:16,932 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:16,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:16,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:16,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:16,934 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:16,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-25 04:52:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:17,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:17,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:17,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:18,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:18,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:18,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:18,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:18,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:18,711 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:18,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-25 04:52:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:18,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:19,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:19,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:20,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:20,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:20,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:20,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:20,722 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:20,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-25 04:52:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:20,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:21,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:52:21,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:22,969 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:52:22,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:22,980 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:22,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:22,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:22,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:22,982 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:22,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-25 04:52:23,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:23,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:23,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:23,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:25,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:25,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-25 04:52:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:25,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:25,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:25,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:25,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:25,322 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:25,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-25 04:52:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:25,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:25,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:25,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:27,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:27,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:27,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:27,474 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:27,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:27,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:27,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:27,479 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:27,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-25 04:52:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:27,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:27,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:27,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:27,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:29,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:29,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-25 04:52:29,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:29,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:29,396 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:29,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:29,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:29,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:29,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:29,398 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:29,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-25 04:52:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:29,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:29,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:29,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:31,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:31,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:31,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:31,221 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:31,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:31,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:31,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:31,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:31,227 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:31,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-25 04:52:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:31,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:31,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:31,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:33,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:33,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:33,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:33,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:33,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:33,553 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:33,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-25 04:52:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:33,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:33,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:52:33,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:52:36,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-25 04:52:36,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:36,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:36,073 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:36,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:36,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:36,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:36,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:36,078 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:36,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-25 04:52:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:36,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:36,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:36,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:38,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:38,205 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:38,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:38,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:38,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:38,209 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:38,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-25 04:52:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:38,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:38,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:38,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:40,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:40,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:40,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:40,513 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:40,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:40,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:40,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:40,518 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:40,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-25 04:52:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:40,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:40,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:40,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:43,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:43,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:43,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:43,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:43,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:43,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:43,218 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:43,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-25 04:52:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:43,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:43,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:43,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:44,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-25 04:52:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:45,017 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:45,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:45,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:45,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:45,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:45,019 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:45,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-25 04:52:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:45,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:45,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:45,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:46,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-25 04:52:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:46,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:46,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:46,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:46,896 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:46,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-25 04:52:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:47,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:47,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:47,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:48,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-25 04:52:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:48,831 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:48,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:48,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:48,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:48,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:48,833 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:48,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-25 04:52:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:49,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:49,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:49,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:50,847 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:50,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-25 04:52:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:51,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:51,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:51,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:51,014 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:51,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-25 04:52:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:51,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:51,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:52:51,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:52,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-25 04:52:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:53,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:53,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:53,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:53,021 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:53,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-25 04:52:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:53,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:53,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:53,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:54,954 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:54,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-25 04:52:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:55,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:55,123 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:55,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:55,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:55,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:55,125 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:55,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-25 04:52:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:55,394 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:55,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:55,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:57,546 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:57,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-25 04:52:57,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:57,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:57,584 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:57,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:57,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:57,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:57,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:57,588 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:57,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-25 04:52:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:57,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:57,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:57,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:52:59,616 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:52:59,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-25 04:52:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:52:59,654 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:52:59,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:52:59,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:59,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:52:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:52:59,659 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:52:59,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-25 04:52:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:59,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:52:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:59,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:52:59,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:01,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-25 04:53:02,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:02,028 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:02,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:02,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:02,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:02,029 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:02,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-25 04:53:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:02,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:02,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:02,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:04,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:04,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:04,916 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:04,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:04,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:04,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:04,918 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:04,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-25 04:53:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:05,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:05,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:05,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:07,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-25 04:53:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:07,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:07,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:07,577 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:07,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-25 04:53:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:07,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:07,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:07,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:10,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:10,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:10,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:10,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:10,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:10,838 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:10,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-25 04:53:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:11,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:11,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:11,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:12,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:13,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:13,141 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:13,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:13,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:13,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:13,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:13,143 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:13,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-25 04:53:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:13,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:13,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:13,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:15,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:15,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:15,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:15,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:15,652 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:15,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-25 04:53:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:16,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:16,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:16,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:17,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:17,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:17,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:17,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:17,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:17,767 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:17,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-25 04:53:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:18,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:18,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:18,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:19,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:20,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:20,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:20,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:20,122 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:20,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-25 04:53:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:20,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:20,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:20,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:21,959 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:21,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:21,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:21,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:21,987 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:21,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:21,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:21,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:21,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:21,990 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:21,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-25 04:53:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:22,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:22,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:53:22,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:53:24,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:24,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:24,240 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:24,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:24,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:24,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:24,243 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:24,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-25 04:53:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:24,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:24,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:24,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:26,578 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:26,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:26,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:26,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:26,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:26,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:26,612 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:26,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-25 04:53:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:26,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:26,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:26,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:28,614 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:28,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:28,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:28,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:28,647 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:28,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:28,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:28,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:28,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:28,649 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:28,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-25 04:53:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:28,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:28,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:28,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:30,576 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:30,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-25 04:53:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:30,859 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:30,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:30,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:30,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:30,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:30,862 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:30,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-25 04:53:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:31,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:31,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:31,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:32,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:32,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-25 04:53:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:33,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:33,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:33,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:33,188 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-25 04:53:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:33,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:33,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:33,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:35,425 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:35,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-25 04:53:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:35,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:35,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:35,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:35,452 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:35,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-25 04:53:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:35,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:35,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:35,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:37,371 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:37,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-25 04:53:37,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:37,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:37,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:37,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:37,399 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:37,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-25 04:53:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:37,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:37,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:37,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:39,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-25 04:53:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:39,831 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:39,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:39,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:39,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:39,833 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:39,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-25 04:53:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:40,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:40,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:40,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:41,808 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:41,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-25 04:53:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:41,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:41,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:41,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:41,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:41,841 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:41,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-25 04:53:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:42,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:42,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:42,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:43,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-25 04:53:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:44,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:44,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:44,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:44,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:44,130 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:44,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-25 04:53:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:44,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:44,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:44,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:46,159 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:46,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-25 04:53:46,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:46,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:46,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:46,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:46,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:46,187 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:46,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-25 04:53:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:46,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:46,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:53:46,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:48,741 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:53:48,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-25 04:53:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:48,750 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:48,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:48,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:48,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:48,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:48,751 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:48,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-25 04:53:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:49,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:49,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:49,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:50,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-25 04:53:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:50,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:50,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:50,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:50,894 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:50,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-25 04:53:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:51,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:51,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:51,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:52,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-25 04:53:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:53,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:53,150 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:53,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:53,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:53,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:53,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:53,152 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:53,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-25 04:53:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:53,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:53,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:53,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:55,196 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:55,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-25 04:53:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:55,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:55,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:55,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:55,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:55,536 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:55,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-25 04:53:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:55,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:55,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:53:55,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:57,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:57,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-25 04:53:57,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:57,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:57,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:57,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:57,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:57,660 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:57,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-25 04:53:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:57,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:53:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:57,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:53:57,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:53:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:53:59,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-25 04:53:59,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:59,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:53:59,941 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:53:59,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:53:59,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:59,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:53:59,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:53:59,943 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:53:59,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-25 04:54:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:00,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:00,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:54:00,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:02,283 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:54:02,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-25 04:54:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:02,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:02,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:02,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:02,294 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:02,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-25 04:54:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:02,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:02,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:02,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:04,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:04,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-25 04:54:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:05,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:05,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:05,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:05,200 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:05,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-25 04:54:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:05,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:05,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:05,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:07,487 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:07,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-25 04:54:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:07,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:07,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:07,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:07,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:07,791 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:07,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-25 04:54:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:08,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:08,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:08,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:10,387 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:10,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-25 04:54:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:10,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:10,701 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:10,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-25 04:54:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:10,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:11,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:11,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:12,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-25 04:54:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:13,249 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:13,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:13,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:13,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:13,251 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:13,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-25 04:54:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:13,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:13,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:13,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:15,260 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:15,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-25 04:54:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:15,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:15,589 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:15,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:15,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:15,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:15,593 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:15,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-25 04:54:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:15,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:15,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:15,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:17,536 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:17,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-25 04:54:17,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:17,839 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:17,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:17,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:17,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:17,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:17,840 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:17,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-25 04:54:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:18,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:18,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:18,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:19,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-25 04:54:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:20,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:20,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:20,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:20,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:20,139 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:20,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-25 04:54:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:20,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:20,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:20,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:21,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-25 04:54:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:21,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:21,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:21,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:21,919 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:21,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-25 04:54:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:22,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:22,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:22,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:23,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-25 04:54:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:23,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:23,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:23,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:23,835 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:23,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-25 04:54:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:24,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:24,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:24,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:26,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-25 04:54:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:26,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:26,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:26,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:26,522 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:26,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-25 04:54:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:26,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:26,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:26,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:28,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-25 04:54:28,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:28,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:28,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:28,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:28,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:28,410 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:28,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-25 04:54:28,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:28,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:28,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:28,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:30,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-25 04:54:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:30,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:30,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:30,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:30,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:30,461 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:30,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-25 04:54:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:30,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:30,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:30,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:32,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-25 04:54:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:32,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:32,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:32,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:32,700 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:32,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-25 04:54:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:32,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:33,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:33,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:34,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-25 04:54:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:34,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:34,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:34,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:34,916 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:34,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-25 04:54:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:35,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:35,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:35,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:36,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-25 04:54:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:36,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:36,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:36,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:36,884 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:36,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-25 04:54:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:37,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:37,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:37,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:38,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-25 04:54:38,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:38,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:38,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:38,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:38,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:38,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:38,746 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:38,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-25 04:54:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:39,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:39,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:39,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:40,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-25 04:54:40,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:40,498 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:40,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:40,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:40,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:40,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:40,502 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:40,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-25 04:54:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:40,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:40,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:40,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:42,548 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:42,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-25 04:54:42,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:42,857 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:42,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:42,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:42,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:42,859 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:42,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-25 04:54:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:43,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:43,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:43,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:44,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-25 04:54:45,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:45,114 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:45,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:45,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:45,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:45,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:45,116 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:45,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-25 04:54:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:45,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:45,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:45,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:46,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-25 04:54:46,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:46,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:46,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:46,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:46,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:46,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:46,995 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:46,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-25 04:54:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:47,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:47,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:47,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:48,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-25 04:54:48,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:48,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:48,765 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:48,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:48,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:48,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:48,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:48,767 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:48,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-25 04:54:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:49,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:49,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:49,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:50,826 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:50,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-25 04:54:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:51,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:51,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:51,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:51,111 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:51,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-25 04:54:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:51,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:51,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:51,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:53,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:53,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-25 04:54:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:53,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:53,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:53,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:53,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:53,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:53,383 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:53,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-25 04:54:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:53,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:53,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:53,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:55,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:55,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-25 04:54:55,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:55,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:55,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:55,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:55,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:55,838 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:55,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-25 04:54:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:56,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:56,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:54:56,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:54:58,322 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:54:58,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-25 04:54:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:54:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:54:58,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:54:58,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:58,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:54:58,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:54:58,486 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:54:58,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-25 04:54:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:58,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:54:58,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:58,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:54:58,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:00,232 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:00,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-25 04:55:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:00,259 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:00,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:00,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:00,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:00,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:00,260 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:00,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-25 04:55:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:00,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:00,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:00,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:02,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-25 04:55:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:02,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:02,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:02,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:02,138 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:02,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-25 04:55:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:02,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:02,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:02,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:03,989 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:03,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-25 04:55:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:04,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:04,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:04,018 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:04,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-25 04:55:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:04,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:04,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:04,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:06,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-25 04:55:06,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:06,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:06,627 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:06,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:06,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:06,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:06,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:06,629 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:06,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-25 04:55:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:06,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:06,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:06,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:08,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-25 04:55:08,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:08,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:08,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:08,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:08,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:08,304 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:08,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-25 04:55:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:08,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:08,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:08,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:10,140 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:10,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-25 04:55:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:10,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:10,168 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:10,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:10,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:10,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:10,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:10,170 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:10,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-25 04:55:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:10,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:10,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:10,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:12,008 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:12,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-25 04:55:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:12,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:12,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:12,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:12,036 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:12,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-25 04:55:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:12,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:12,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:12,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:13,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-25 04:55:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:13,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:13,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:13,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:13,964 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:13,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-25 04:55:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:14,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:14,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:14,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:15,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-25 04:55:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:15,644 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:15,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:15,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:15,647 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:15,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-25 04:55:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:15,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:16,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:16,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:17,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-25 04:55:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:18,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:18,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:18,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:18,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:18,069 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:18,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-25 04:55:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:18,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:18,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:18,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:20,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-25 04:55:20,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:20,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:20,027 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:20,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:20,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:20,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:20,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:20,029 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:20,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-25 04:55:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:20,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:20,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:20,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:20,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:22,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-25 04:55:23,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:23,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:23,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:23,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:23,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:23,138 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:23,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-25 04:55:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:23,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:23,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:23,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:25,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-25 04:55:26,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:26,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:26,025 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:26,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:26,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:26,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:26,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:26,027 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:26,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-25 04:55:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:26,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:26,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:26,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:28,015 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:28,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-25 04:55:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:28,318 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:28,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:28,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:28,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:28,320 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:28,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-25 04:55:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:28,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:28,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:28,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:30,114 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:30,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-25 04:55:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:30,140 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:30,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:30,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:30,141 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:30,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-25 04:55:30,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:30,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:30,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:30,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:32,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-25 04:55:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:32,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:32,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:32,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:32,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:32,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:32,489 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:32,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-25 04:55:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:32,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:32,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 04:55:32,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:34,543 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:55:34,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-25 04:55:34,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:34,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:34,574 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:34,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:34,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:34,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:34,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:34,576 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:34,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-25 04:55:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:34,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:34,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:34,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:36,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-25 04:55:36,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:36,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:36,771 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:36,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:36,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:36,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:36,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:36,773 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:36,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-25 04:55:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:37,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:37,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:37,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:38,571 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:38,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-25 04:55:38,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:38,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:38,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:38,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:38,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:38,598 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:38,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-25 04:55:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:38,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:38,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:38,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:40,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-25 04:55:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:41,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:41,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:41,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:41,004 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:41,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-25 04:55:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:41,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:41,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:41,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:42,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-25 04:55:42,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:42,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:42,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:42,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:42,913 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:42,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-25 04:55:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:43,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:43,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:43,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:45,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-25 04:55:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:45,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:45,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:45,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:45,488 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:45,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-25 04:55:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:45,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:45,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:45,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:47,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-25 04:55:47,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:47,378 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:47,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:47,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:47,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:47,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:47,380 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:47,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-25 04:55:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:47,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:47,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:47,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:49,808 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:49,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-25 04:55:49,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:49,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:49,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:49,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:49,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:49,836 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:49,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-25 04:55:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:50,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:50,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:50,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:51,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-25 04:55:52,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:52,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:52,318 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:52,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:52,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:52,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:52,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:52,319 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:52,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-25 04:55:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:52,598 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:52,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:55:52,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:54,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-25 04:55:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:54,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:54,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:54,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:54,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:54,173 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:54,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-25 04:55:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:54,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:54,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:54,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:56,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-25 04:55:56,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:56,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:56,658 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:56,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:56,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:56,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:56,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:56,660 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:56,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-25 04:55:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:56,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:56,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:56,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:55:58,801 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:55:58,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-25 04:55:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:55:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:55:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:55:59,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:55:59,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:55:59,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:55:59,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:55:59,145 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:55:59,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-25 04:55:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:59,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:55:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:55:59,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:55:59,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:01,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-25 04:56:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:01,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:01,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:01,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:01,499 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:01,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-25 04:56:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:01,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:01,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:01,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:04,035 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:04,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-25 04:56:04,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:04,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:04,059 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:04,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:04,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:04,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:04,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:04,061 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:04,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-25 04:56:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:04,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:04,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:04,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:06,026 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:06,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-25 04:56:06,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:06,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:06,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:06,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:06,184 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:06,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-25 04:56:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:06,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:06,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:06,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:08,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-25 04:56:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:08,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:08,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:08,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:08,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:08,175 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:08,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-25 04:56:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:08,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:08,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:08,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:10,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-25 04:56:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:10,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:10,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:10,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:10,561 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:10,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-25 04:56:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:10,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:10,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:10,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:13,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-25 04:56:13,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:13,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:13,680 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:13,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:13,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:13,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:13,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:13,682 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:13,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-25 04:56:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:13,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:14,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:14,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:16,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-25 04:56:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:16,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:16,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:16,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:16,279 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:16,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-25 04:56:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:16,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:16,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:16,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:18,506 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:18,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-25 04:56:18,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:18,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:18,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:18,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:18,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:18,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:18,735 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:18,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-25 04:56:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:19,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:19,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:19,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:20,840 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:20,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-25 04:56:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:20,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:20,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:20,871 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:20,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-25 04:56:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:21,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:21,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:21,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:22,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:22,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-25 04:56:22,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:22,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:22,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:22,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:22,628 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:22,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-25 04:56:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:22,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:22,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:22,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:24,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:24,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-25 04:56:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:25,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:25,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:25,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:25,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:25,042 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:25,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-25 04:56:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:25,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:25,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:25,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:27,113 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:27,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-25 04:56:27,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:27,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:27,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:27,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:27,157 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:27,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-25 04:56:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:27,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:27,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:27,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:29,359 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:29,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-25 04:56:29,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:29,698 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:29,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:29,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:29,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:29,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:29,700 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:29,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-25 04:56:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:29,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:30,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:30,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:32,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-25 04:56:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:32,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:32,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:32,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:32,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:32,367 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:32,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-25 04:56:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:32,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:32,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:32,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:34,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-25 04:56:34,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:34,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:34,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:34,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:34,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:34,962 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:34,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-25 04:56:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:35,241 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:35,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:35,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:36,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-25 04:56:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:36,908 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:36,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:36,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:36,909 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:36,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-25 04:56:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:37,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:37,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:37,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:38,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-25 04:56:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:38,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:38,686 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:38,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:38,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:38,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:38,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:38,687 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:38,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-25 04:56:38,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:38,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:39,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:39,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:41,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-25 04:56:41,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:41,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:41,716 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:41,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:41,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:41,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:41,718 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:41,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-25 04:56:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:41,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:42,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:42,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:43,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-25 04:56:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:43,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:43,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:43,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:43,579 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:43,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-25 04:56:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:43,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:43,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:43,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:46,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-25 04:56:46,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:46,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:46,387 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:46,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:46,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:46,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:46,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:46,389 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:46,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-25 04:56:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:46,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:46,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:46,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:48,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-25 04:56:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:48,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:48,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:48,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:48,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:48,875 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:48,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-25 04:56:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:49,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:49,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:49,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:50,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-25 04:56:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:50,715 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:50,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:50,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:50,717 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:50,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-25 04:56:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:50,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:51,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:51,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:52,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-25 04:56:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:53,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:53,305 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:53,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:53,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:53,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:53,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:53,307 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:53,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-25 04:56:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:53,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:53,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:53,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:56,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-25 04:56:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:56,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:56,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:56,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:56,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:56,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:56,614 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:56,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-25 04:56:56,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:56,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:56,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:56:56,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:56:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:56:58,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-25 04:56:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:56:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:56:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:56:58,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:56:58,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:56:58,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:56:58,782 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:56:58,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-25 04:56:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:59,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:56:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:59,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:56:59,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:02,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:02,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-25 04:57:03,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:03,085 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:03,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:03,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:03,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:03,088 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:03,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-25 04:57:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:03,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:03,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:03,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:05,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:05,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:05,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:05,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:05,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:05,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:05,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:05,188 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:05,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-25 04:57:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:05,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:05,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:05,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:07,359 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:07,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-25 04:57:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:07,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:07,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:07,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:07,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:07,388 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:07,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-25 04:57:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:07,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:07,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:07,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:09,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-25 04:57:10,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:10,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:10,105 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:10,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:10,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:10,106 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:10,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:10,107 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:10,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-25 04:57:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:10,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:10,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:10,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:12,943 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:12,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-25 04:57:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:13,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:13,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:13,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:13,295 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:13,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-25 04:57:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:13,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:13,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:13,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:15,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-25 04:57:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:15,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:15,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:15,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:15,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:15,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:15,336 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:15,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-25 04:57:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:15,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:15,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:15,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:17,950 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:17,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-25 04:57:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:17,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:17,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:17,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:17,982 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:17,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-25 04:57:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:18,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:18,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:18,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:20,036 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:20,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-25 04:57:20,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:20,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:20,081 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:20,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:20,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:20,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:20,084 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:20,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-25 04:57:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:20,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:20,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:20,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:22,652 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:22,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:22,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:22,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:22,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:22,685 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:22,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-25 04:57:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:22,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:23,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:23,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:24,722 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:24,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:24,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:24,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:24,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:24,752 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:24,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-25 04:57:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:25,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:25,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:25,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:27,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-25 04:57:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:27,401 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:27,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:27,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:27,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:27,406 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:27,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-25 04:57:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:27,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:27,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:27,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:30,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:30,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:30,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:30,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:30,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:30,480 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:30,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-25 04:57:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:30,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:30,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:30,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:32,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-25 04:57:32,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:32,577 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:32,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:32,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:32,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:32,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:32,579 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:32,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-25 04:57:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:32,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:33,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:33,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:34,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-25 04:57:34,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:34,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:34,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:34,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:34,818 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:34,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-25 04:57:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:35,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:35,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:57:35,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:57:37,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-25 04:57:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:37,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:37,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:37,719 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:37,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-25 04:57:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:38,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:38,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:57:38,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:57:39,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:39,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:39,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:39,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:39,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:39,783 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:39,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-25 04:57:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:40,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:40,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:40,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:41,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-25 04:57:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:42,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:42,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:42,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:42,027 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:42,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-25 04:57:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:42,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:42,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:42,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:45,208 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:45,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-25 04:57:45,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:45,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:45,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:45,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:45,249 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:45,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-25 04:57:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:45,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:45,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:45,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:47,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-25 04:57:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:47,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:47,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:47,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:47,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:47,891 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:47,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-25 04:57:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:48,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:48,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:48,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:50,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:50,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:50,195 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:50,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:50,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:50,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:50,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:50,197 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:50,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-25 04:57:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:50,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:50,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:50,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:51,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-25 04:57:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:52,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:52,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:52,026 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:52,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-25 04:57:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:52,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:52,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:57:52,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:53,764 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:53,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-25 04:57:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:53,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:53,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:53,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:53,792 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:53,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-25 04:57:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:54,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:54,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:54,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:56,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-25 04:57:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:56,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:56,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:56,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:56,578 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:56,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-25 04:57:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:56,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:56,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:56,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:57:58,943 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:57:58,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-25 04:57:59,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:57:59,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:57:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:57:59,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:57:59,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:57:59,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:57:59,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:57:59,253 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:57:59,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-25 04:57:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:59,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:57:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:57:59,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:57:59,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:01,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-25 04:58:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:01,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:01,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:01,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:01,823 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:01,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-25 04:58:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:02,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:02,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:02,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:03,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-25 04:58:03,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:03,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:03,717 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:03,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:03,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:03,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:03,720 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:03,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-25 04:58:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:04,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:04,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:04,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:06,825 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:06,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-25 04:58:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:06,852 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:06,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:06,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:06,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:06,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:06,854 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:06,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-25 04:58:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:07,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:07,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:07,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:07,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:08,817 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:08,820 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:58:08,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:08,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:08,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:08,843 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:08,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:08,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:08,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:08,845 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:08,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-25 04:58:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:09,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:09,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:09,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:10,874 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:10,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-25 04:58:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:11,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:11,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:11,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:11,184 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:11,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-25 04:58:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:11,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:11,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:11,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:13,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-25 04:58:13,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:13,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:13,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:13,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:13,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:13,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:13,753 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:13,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-25 04:58:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:14,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:14,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:14,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:16,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-25 04:58:16,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:16,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:16,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:16,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:16,808 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:16,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-25 04:58:17,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:17,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:17,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:17,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:17,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-25 04:58:19,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:19,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:19,510 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:19,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:19,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:19,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:19,512 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:19,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-25 04:58:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:19,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:19,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:19,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:21,792 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:21,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:22,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:22,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:22,141 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:22,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:22,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:22,147 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:22,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-25 04:58:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:22,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:22,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:22,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:24,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-25 04:58:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:24,699 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:24,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:24,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:24,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:24,703 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:24,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-25 04:58:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:24,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:25,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:25,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:26,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-25 04:58:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:26,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:26,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:26,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:26,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:26,839 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:26,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-25 04:58:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:27,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:27,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:27,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:28,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:28,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-25 04:58:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:28,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:28,627 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:28,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:28,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:28,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:28,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:28,629 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:28,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-25 04:58:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:28,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:28,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:28,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:30,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-25 04:58:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:30,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:30,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:30,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:30,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:30,614 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:30,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-25 04:58:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:30,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:30,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:30,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:32,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-25 04:58:32,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:32,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:32,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:32,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:32,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:32,931 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:32,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-25 04:58:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:33,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:33,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:33,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:35,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:35,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-25 04:58:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:35,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:35,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:35,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:35,055 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:35,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-25 04:58:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:35,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:35,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:58:35,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:37,400 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:58:37,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-25 04:58:37,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:37,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:37,410 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:37,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:37,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:37,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:37,412 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:37,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-25 04:58:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:37,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:37,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:37,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:40,046 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:40,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:40,379 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:40,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:40,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:40,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:40,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:40,381 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:40,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-25 04:58:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:40,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:40,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:40,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:43,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:43,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:43,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:43,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:43,816 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:43,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-25 04:58:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:44,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:44,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:44,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:45,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:45,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:45,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:45,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:45,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:45,968 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:45,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-25 04:58:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:46,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:46,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:46,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:47,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:47,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:47,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:47,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:47,827 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:47,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-25 04:58:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:48,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:48,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:48,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:49,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-25 04:58:50,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:50,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:50,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:50,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:50,014 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:50,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-25 04:58:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:50,275 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:50,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:50,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:51,864 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:51,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-25 04:58:51,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:51,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:51,893 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:51,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:51,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:51,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:51,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:51,894 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:51,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-25 04:58:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:52,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:52,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:58:52,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:53,626 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:53,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-25 04:58:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:53,652 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:53,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:53,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:53,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:53,654 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:53,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-25 04:58:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:53,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:53,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:53,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:55,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-11-25 04:58:56,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:56,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:56,005 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:56,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:56,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:56,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:56,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:56,006 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:56,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-25 04:58:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:56,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:56,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:56,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:58:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:58:58,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-25 04:58:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:58:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:58:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:58:58,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:58,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:58,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:58:58,601 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:58:58,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-25 04:58:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:58,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:58:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:58:58,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:58:58,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:00,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-25 04:59:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:00,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:00,971 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:00,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:00,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:00,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:00,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:00,973 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:00,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-25 04:59:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:01,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:01,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:01,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:03,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-25 04:59:03,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:03,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:03,537 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:03,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:03,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:03,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:03,539 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:03,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-25 04:59:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:03,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:03,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:03,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:05,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-25 04:59:05,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:05,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:05,441 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:05,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:05,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:05,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:05,443 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:05,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-25 04:59:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:05,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:05,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:05,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:05,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:07,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:07,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-25 04:59:07,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:07,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:07,740 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:07,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:07,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:07,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:07,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:07,742 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:07,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-25 04:59:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:08,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:08,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:08,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:11,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-25 04:59:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:11,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:11,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:11,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:11,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:11,841 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:11,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-25 04:59:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:12,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:12,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:12,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:14,019 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:14,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Forceful destruction successful, exit code 0 [2024-11-25 04:59:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:14,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:14,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:14,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:14,051 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:14,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-25 04:59:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:14,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:14,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:14,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:16,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-25 04:59:16,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:16,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:16,878 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:16,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:16,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:16,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:16,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:16,882 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:16,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-25 04:59:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:17,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:17,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:17,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:19,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-25 04:59:19,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:19,073 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:19,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:19,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:19,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:19,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:19,075 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:19,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-25 04:59:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:19,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:19,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:19,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:21,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-25 04:59:21,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:21,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:21,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:21,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:21,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:21,731 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:21,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-25 04:59:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:22,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:22,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:22,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:23,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-25 04:59:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:23,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:23,982 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:23,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:23,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:23,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:23,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:23,984 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:23,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-25 04:59:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:24,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:24,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 04:59:24,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 04:59:26,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-25 04:59:26,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:26,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:26,433 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:26,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:26,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:26,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:26,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:26,435 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:26,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-25 04:59:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:26,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:26,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:26,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:28,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:28,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-25 04:59:28,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:28,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:28,445 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:28,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:28,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:28,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:28,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:28,447 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:28,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-25 04:59:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:28,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:28,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:28,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:30,666 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:30,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-25 04:59:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:30,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:30,978 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:30,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:30,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:30,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:30,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:30,980 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:30,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-25 04:59:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:31,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:31,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:31,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:32,706 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:32,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-25 04:59:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:32,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:32,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:32,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:32,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:32,737 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:32,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-25 04:59:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:33,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:33,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:33,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:35,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-25 04:59:35,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:35,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:35,707 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:35,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:35,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:35,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:35,709 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:35,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-25 04:59:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:36,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:36,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:36,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:37,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:37,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-25 04:59:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:37,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:37,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:37,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:37,632 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:37,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-25 04:59:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:37,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:37,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:37,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:39,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-25 04:59:40,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:40,282 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:40,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:40,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:40,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:40,284 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:40,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-25 04:59:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:40,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:40,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:40,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:42,554 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:42,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-25 04:59:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:42,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:42,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:42,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:42,871 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:42,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-25 04:59:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:43,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:43,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:43,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:45,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-25 04:59:45,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:45,558 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:45,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:45,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:45,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:45,560 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:45,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-25 04:59:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:45,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:45,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:45,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:48,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-25 04:59:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:48,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:48,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:48,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:48,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:48,058 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:48,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-25 04:59:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:48,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:48,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:48,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:50,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-25 04:59:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:50,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:50,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:50,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:50,757 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:50,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-25 04:59:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:51,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:51,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 04:59:51,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:52,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-11-25 04:59:53,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:53,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:53,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:53,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:53,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:53,158 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:53,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-25 04:59:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:53,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:53,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:53,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:54,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-25 04:59:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:54,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:54,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:54,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:54,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:54,922 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:54,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-25 04:59:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:55,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:55,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:55,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:57,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-25 04:59:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:57,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:57,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:57,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:57,138 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:57,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-25 04:59:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:57,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:57,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:57,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 04:59:59,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-25 04:59:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 04:59:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 04:59:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 04:59:59,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:59,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:59,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:59,053 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:59,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-25 04:59:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:59,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:59,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:59:59,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:01,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:01,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:01,051 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:01,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:01,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:01,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:01,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:01,053 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:01,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-25 05:00:01,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:01,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:01,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:01,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:02,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:03,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:03,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:03,290 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:03,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:03,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:03,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:03,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:03,291 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:03,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-25 05:00:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:03,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:03,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:03,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:05,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:05,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:05,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:05,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:05,787 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:05,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-25 05:00:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:06,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:06,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:06,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:08,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-25 05:00:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:08,077 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:08,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:08,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:08,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:08,079 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:08,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-25 05:00:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:08,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:08,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:08,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:10,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-25 05:00:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:10,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:10,749 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:10,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:10,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:10,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:10,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:10,750 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:10,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-25 05:00:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:11,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:11,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 05:00:11,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:13,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 05:00:13,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-25 05:00:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:13,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:13,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:13,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:13,932 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:13,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-25 05:00:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:14,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:14,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:14,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:15,785 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:15,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:15,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:15,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:15,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:15,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:15,816 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:15,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-25 05:00:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:16,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:16,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 05:00:16,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:18,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 05:00:18,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-25 05:00:18,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:18,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:18,497 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:18,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:18,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:18,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:18,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:18,499 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:18,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-25 05:00:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:18,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:18,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:18,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:20,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-25 05:00:20,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:20,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:20,345 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:20,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:20,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:20,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:20,346 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:20,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-25 05:00:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:20,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:20,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:20,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:22,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-25 05:00:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:22,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:22,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:22,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:22,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:22,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:22,346 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:22,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-25 05:00:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:22,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:22,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:22,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:24,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:24,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-25 05:00:24,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:24,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:24,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:24,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:24,455 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:24,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-25 05:00:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:24,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:24,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:24,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:26,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:26,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:26,229 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:26,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:26,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:26,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:26,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:26,231 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-25 05:00:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:26,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:26,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:26,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:28,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-25 05:00:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:28,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:28,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:28,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:28,825 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:28,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-25 05:00:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:29,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:29,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:29,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:30,813 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:30,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:31,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:31,148 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:31,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:31,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:31,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:31,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:31,150 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:31,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-25 05:00:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:31,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:31,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 05:00:31,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 05:00:33,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-25 05:00:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:33,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:33,477 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:33,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:33,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:33,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:33,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:33,478 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:33,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-25 05:00:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:33,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:33,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:33,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:35,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-25 05:00:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:35,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:35,797 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:35,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:35,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:35,799 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:35,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-25 05:00:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:36,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:36,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:36,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:38,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-25 05:00:38,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:38,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:38,042 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:38,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:38,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:38,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:38,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:38,044 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:38,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-25 05:00:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:38,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:38,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:38,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:39,957 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:39,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-25 05:00:39,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:39,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:39,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:39,985 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:39,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-25 05:00:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:40,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:40,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:40,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:40,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:42,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:42,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:42,748 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:42,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:42,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:42,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:42,750 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:42,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-25 05:00:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:43,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:43,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:43,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:45,311 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:45,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:45,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:45,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:45,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:45,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:45,727 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:45,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-25 05:00:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:46,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:46,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 05:00:46,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:50,049 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 05:00:50,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-25 05:00:50,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:50,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:50,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:50,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:50,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:50,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:50,063 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:50,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-25 05:00:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:50,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:50,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:50,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:52,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-25 05:00:52,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:52,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:52,156 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:52,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:52,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:52,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:52,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:52,158 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:52,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-25 05:00:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:52,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:52,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:00:52,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:54,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-25 05:00:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:54,254 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:54,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:54,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:54,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:54,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:54,256 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:54,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-25 05:00:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:54,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:54,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:54,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:56,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:57,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:57,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:57,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:57,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:57,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:57,181 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:57,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-25 05:00:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:57,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:00:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:00:57,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:00:57,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:00:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:00:59,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-11-25 05:00:59,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:00:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:00:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:00:59,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:00:59,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:00:59,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:00:59,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:00:59,995 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:00:59,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-25 05:01:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:00,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:00,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:00,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:02,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:02,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-25 05:01:02,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:02,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:02,332 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:02,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:02,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:02,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:02,336 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:02,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-25 05:01:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:02,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:02,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:02,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:04,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-25 05:01:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:04,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:04,475 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-25 05:01:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:04,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:04,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:04,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:06,842 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:06,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-25 05:01:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:06,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:06,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:06,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:06,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:06,876 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:06,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-25 05:01:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:07,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:07,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:07,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:08,911 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:08,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-25 05:01:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:08,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:08,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:08,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:08,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:08,952 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:08,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-25 05:01:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:09,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:09,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:09,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:11,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-25 05:01:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:11,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:11,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:11,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:11,167 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:11,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-25 05:01:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:11,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:11,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:11,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:13,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-25 05:01:14,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:14,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:14,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:14,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:14,130 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:14,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-25 05:01:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:14,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:14,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 05:01:14,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 05:01:16,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:16,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:16,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:16,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:16,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:16,176 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:16,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-25 05:01:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:16,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:16,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:16,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:18,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-25 05:01:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:18,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:18,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:18,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:18,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:18,448 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:18,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-25 05:01:18,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:18,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:18,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:18,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:20,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:21,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:21,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:21,350 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:21,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:21,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:21,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:21,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:21,352 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:21,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-25 05:01:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:21,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:21,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:21,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:23,806 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:23,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:23,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:23,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:23,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:23,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:23,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:23,853 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:23,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-25 05:01:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:24,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:24,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:24,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:26,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-25 05:01:26,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:26,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:26,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:26,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:26,692 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:26,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-25 05:01:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:27,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:27,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:27,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:29,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-25 05:01:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:29,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:29,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:29,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:29,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:29,630 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:29,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-25 05:01:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:29,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:30,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:30,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:31,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:31,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:31,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:31,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:31,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:31,807 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:31,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-25 05:01:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:32,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:32,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:32,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:34,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-25 05:01:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:34,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:34,352 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:34,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-25 05:01:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:34,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:34,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:34,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:36,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:36,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:36,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:36,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:36,491 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:36,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-25 05:01:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:36,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:36,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:36,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:38,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-25 05:01:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:38,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:38,424 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:38,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:38,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:38,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:38,427 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:38,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-25 05:01:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:38,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:38,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:38,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:40,804 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:40,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:40,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:40,833 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:40,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:40,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:40,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:40,836 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:40,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-25 05:01:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:41,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:41,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:41,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:41,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:42,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-25 05:01:42,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:42,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:42,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:42,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:42,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:42,885 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:42,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-25 05:01:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:43,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:43,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:43,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:45,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:45,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-25 05:01:45,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:45,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:45,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:45,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:45,505 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:45,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-25 05:01:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:45,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:45,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:45,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:48,673 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:48,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-25 05:01:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:49,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:49,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:49,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:49,188 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:49,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-25 05:01:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:49,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:49,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:49,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:51,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-25 05:01:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:51,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:51,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:51,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:51,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:51,306 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:51,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-25 05:01:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:51,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:51,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:51,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:53,128 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:53,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Forceful destruction successful, exit code 0 [2024-11-25 05:01:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:53,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:53,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:53,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:53,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:53,154 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:53,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-25 05:01:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:53,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:53,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:53,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:55,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-25 05:01:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:55,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:55,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:55,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:55,035 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:55,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-25 05:01:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:55,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:55,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:01:55,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:57,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:57,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-25 05:01:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:01:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:01:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:01:57,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:01:57,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:01:57,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:01:57,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:01:57,302 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:01:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-25 05:01:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:57,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:01:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:01:57,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:01:57,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:01:59,796 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:01:59,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:00,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:00,185 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:00,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:00,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:00,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:00,187 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:00,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-25 05:02:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:00,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:00,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:00,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:02,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:02,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:02,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:02,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:02,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:02,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:02,864 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:02,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-25 05:02:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:03,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:03,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:03,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:05,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-25 05:02:05,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:05,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:05,194 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:05,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:05,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:05,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:05,196 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:05,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-25 05:02:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:05,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:05,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:05,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:08,508 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:08,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-25 05:02:08,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:08,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:08,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:08,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:08,884 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:08,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-25 05:02:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:09,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:09,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:09,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:10,685 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:10,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-25 05:02:10,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:10,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:10,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:10,716 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:10,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-25 05:02:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:10,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:11,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:11,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:13,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:13,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:13,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:13,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:13,521 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:13,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-25 05:02:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:13,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:13,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 05:02:13,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:15,828 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 05:02:15,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-25 05:02:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:15,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:15,848 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:15,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:15,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:15,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:15,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:15,852 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:15,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-25 05:02:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:16,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:16,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:16,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:18,165 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:18,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-25 05:02:18,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:18,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:18,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:18,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:18,519 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:18,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-25 05:02:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:18,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:18,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:18,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:20,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:20,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-25 05:02:20,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:20,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:20,391 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:20,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-25 05:02:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:20,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:20,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:20,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:22,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:22,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:22,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:22,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:22,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:22,818 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:22,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-25 05:02:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:23,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:23,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:23,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:24,909 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:24,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-25 05:02:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:24,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:24,943 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:24,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:24,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:24,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:24,945 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:24,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-25 05:02:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:25,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:25,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:25,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:27,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:27,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:27,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:27,246 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:27,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:27,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:27,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:27,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:27,248 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:27,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-25 05:02:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:27,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:27,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 05:02:27,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-25 05:02:29,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-25 05:02:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:29,301 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:29,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:29,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:29,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:29,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:29,303 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:29,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-25 05:02:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:29,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:29,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:29,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:31,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-11-25 05:02:31,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:31,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:31,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:31,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:31,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:31,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:31,625 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:31,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-25 05:02:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:31,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:31,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:31,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:34,239 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:34,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:34,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:34,422 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:34,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:34,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:34,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:34,424 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:34,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-25 05:02:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:34,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:34,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:34,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:36,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-11-25 05:02:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:36,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:36,893 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:36,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:36,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:36,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:36,895 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:36,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-25 05:02:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:37,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:37,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:37,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:38,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:38,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:38,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:38,714 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:38,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:38,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:38,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:38,715 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-25 05:02:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:38,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:39,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:39,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:40,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-25 05:02:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:40,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:40,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:40,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:40,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:40,637 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:40,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-25 05:02:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:41,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:41,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:41,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:43,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-25 05:02:43,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:43,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:43,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:43,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:43,694 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:43,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-25 05:02:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:44,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:44,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:44,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:45,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Forceful destruction successful, exit code 0 [2024-11-25 05:02:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:45,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:45,973 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:45,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:45,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:45,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:45,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:45,976 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:45,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-25 05:02:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:46,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:46,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 05:02:46,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:48,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-25 05:02:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:48,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:48,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:48,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:48,268 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-25 05:02:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:48,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 05:02:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:02:48,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 05:02:48,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:02:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 05:02:50,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-25 05:02:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 85 states and 215 transitions. [2024-11-25 05:02:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 215 transitions. [2024-11-25 05:02:50,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 05:02:50,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:50,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:02:50,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:02:50,258 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:02:50,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a23630c4-eb0e-4be9-b4c3-b714c3ba2769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process